﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.SessionState;
using System.Text.RegularExpressions;
namespace SAP
{
    public class Global : System.Web.HttpApplication
    {

        private const String ReturnUrlRegexPattern = @"\?ReturnUrl=.*$";

        protected void Application_Start(object sender, EventArgs e)
        {

        }

        protected void Session_Start(object sender, EventArgs e)
        {

        }

        protected void Application_BeginRequest(object sender, EventArgs e)
        {

        }

        protected void Application_AuthenticateRequest(object sender, EventArgs e)
        {
            String redirectUrl = Response.RedirectLocation;

            if (String.IsNullOrEmpty(redirectUrl)
                 || !Regex.IsMatch(redirectUrl, ReturnUrlRegexPattern))
            {

                return;

            }

            Response.RedirectLocation = Regex.Replace(redirectUrl,
                                                       ReturnUrlRegexPattern,
                                                       String.Empty);

        }

        protected void Application_Error(object sender, EventArgs e)
        {

        }

        protected void Session_End(object sender, EventArgs e)
        {

        }

        protected void Application_End(object sender, EventArgs e)
        {

        }
    }
}